package main

import "fmt"

//显式类型定义
const url string = "runoob.com"
//隐式类型定义
const couse = "golang"


func con(){
	fmt.Println(url, couse)
	const LENGTH, WIDTH = 10, 5
	var area int
	const a, b, c = 1, false, "str" //多重赋值

	area = LENGTH * WIDTH
	fmt.Printf("面积为: %d \n", area)
	fmt.Println(a, b, c)
}